12Thank you for choosing the JBL PRX500 series self-powered PA loudspeakers. There are seven models in theseries, five full-range systems and two subwoofers. All are powered by integrated digital power amplifiersdeveloped by Crown, the most trusted name in professional sound reinforcement power amplification. In additionto Crown power amplifiers, the systems are equipped with sophisticated DSP for EQ, crossover, system controland protection. Engineered and manufactured by JBL Professional with precision and care, your PRX500 seriesspeaker will provide you with many years of flawless performance. To ensure you are always receiving optimumperformance we encourage you to review this user’s guide completely before hooking up your new system.In addition to the high performance light weight Crown amplifier, PRX500 series utilizes the latest in JBLtransducer technology. The neodymium Differential Drive ® transducers not only provide high sound pressurelevels with minimum distortion and power compression, but they are also incredibly light. Combined together inhighly engineered enclosures, PRX500 series speaker systems deliver the highest performance to weight ratio inthe class – portable PA that’s actually portable.All PRX500 systems are built road tough; covered with JBL’s DuraFlex™, one of the most durable finishes evercreated for a speaker and protected by heavy-duty foam backed steel grilles. The foam backing not only looksexcellent but it stops direct liquid intrusion and it does not affect the acoustics. The larger systems have an extralayer of protection from the road in the form of tough polypropylene end-caps. These are independent of theacoustic enclosure so in the event of really tough knocks the speaker’s performance will not suffer.Single Box On A Pole CoverageThe PRX512M and PRX512Mi feature a dual angle pole socket providing flexibility in aiming the speaker. As aguide line, the speaker should be positioned so that the audience cannot see the top or bottom panels of thespeaker. The PRX515 also features a pole mount of the ‘single’ socket variety. When using stands or poles, besure to observe the precautions as stated in the “Precautions” section of the manual.Introduction to the PRX500 seriesPRX512MPRX512MiPRX518SPRX718SPRX515 PRX525 PRX535